CN107872659B - Projection arrangement and projecting method - Google Patents
Projection arrangement and projecting method Download PDFInfo
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- CN107872659B CN107872659B CN201710637101.3A CN201710637101A CN107872659B CN 107872659 B CN107872659 B CN 107872659B CN 201710637101 A CN201710637101 A CN 201710637101A CN 107872659 B CN107872659 B CN 107872659B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/48—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
- G03B17/54—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with projector
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/26—Projecting separately subsidiary matter simultaneously with main image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/002—Specific input/output arrangements not covered by G06F3/01 - G06F3/16
- G06F3/005—Input arrangements through a video camera
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
- G06F3/0426—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected tracking fingers with respect to a virtual keyboard projected or printed on the surface
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/317—Convergence or focusing systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3191—Testing thereof
- H04N9/3194—Testing thereof including sensor feedback
Abstract
The present invention relates to projection arrangement and projecting methods, projection arrangement includes: Projection Division, the image based on the signal inputted is shown using display element, so that the light provided from light source is transmitted in above-mentioned display element or is reflected and form light image, will be formed by light image and project towards projection objects；The ministry of photography photographs to the region for being included the image range projected by above-mentioned Projection Division；Image recognizing section identifies personage from the image that the photography by above-mentioned the ministry of photography obtains；And projection control unit changes setting to the form for the image that above-mentioned Projection Division is projected based on the recognition result of above-mentioned Image recognizing section.
Description
Technical field
The present invention relates to be suitble to projection arrangement and projecting method used in such as demonstration.
Background technique
Following technology is proposed in Japanese Unexamined Patent Publication 2008-292570 bulletin: can be thrown via projection lens having
The porjection type of the ministry of photography and the focus using the ministry of photography adjustment projection image that the projection image being mapped on screen is photographed
In projector, the precision of focus adjustment can be improved, and can simplify device composition.
Above patent document is the focus for carrying out projection image for the image by the region within the scope of tomography projection
The technology that the case where adjustment is studied.
In the projector apparatus with this ministry of photography, the ministry of photography is used as using the image of projection as object, detects it
The method of projection state, the ministry of photography are photographed in the range of the image of projection.
However, in recent years, personal computer is connected to data projector demonstrates and widely generallyd use.It is personal
A part of the application program of demonstration used in computer exists with following function person: corresponding to the throwing with the ministry of photography
Shadow instrument overlappingly projects the operator mark (" △ " of page turning in the one end such as left part of the slide image of projection
" ▽ " etc.), it identifies on the screen when from the foreign matter recognition result in the obtained photographs of the ministry of photography in projected image
Operator mark when having carried out touch operation, be performed in accordance with turning over for the slide image of projection with the operator mark
Page.
In a part being overlapped in operator mark in above-mentioned projected picture, not directly operate personal computer and can
In the application program of the part of functions run when executing lantern slide projection, the people demonstrated can be far from personal computer status
Near the screen that slide image is projected.Then, it from the perspective of the people of viewing screen, can be realized more natural
And the convictive demonstration of tool.
However, due to the actual conditions etc. of the propulsion of demonstration, such as when then being demonstrated by another different people, when this
In the case that people is located at the side opposite with the end where the operator mark in projected picture, would have to across screen
On projected image and the form blocked carries out touch operation to aforesaid operations token number, operability is very poor.
The present invention is completed in view of above-mentioned actual conditions, and its purpose is to provide one kind to be projected object with becoming
Screen near personage correspondingly change image projection form projection arrangement and projecting method.
Summary of the invention
The present invention provides a kind of projection arrangement, comprising: Projection Division is shown using display element based on the signal inputted
Image makes the light provided from light source transmit in above-mentioned display element or reflect and form light image, will be formed by light image direction
Projection objects are projected；The ministry of photography photographs to the region for being included the image range projected by above-mentioned Projection Division；
Image recognizing section identifies personage from the image that the photography by above-mentioned the ministry of photography obtains；And projection control unit, based on above-mentioned
The recognition result of Image recognizing section changes setting to the form for the image that above-mentioned Projection Division is projected.
The present invention also provides a kind of projecting methods, are the projecting methods in following device, which includes: Projection Division, benefit
Show the image based on the signal inputted with display element, make from light source provide light above-mentioned display element transmit or instead
It penetrates and forms light image, light image will be formed by and projected towards projection objects；The ministry of photography, to will be projected by above-mentioned Projection Division
It photographs in the region that image range is included, wherein the projecting method includes image recognition process, takes the photograph from by above-mentioned
Personage is identified in the image that the photography in shadow portion obtains；And projection control process, based on the identification in above-mentioned image recognition process
As a result, changing setting to the form for the image that above-mentioned Projection Division is projected.
Detailed description of the invention
Fig. 1 is the frame for indicating the function of the mainly electronic circuit of projector apparatus of one embodiment of the present invention and constituting
Figure.
Fig. 2 is in the 1st action example for indicate the embodiment mainly by the flow chart of the CPU process content executed.
Fig. 3 A, Fig. 3 B are in the case that variation has occurred in the position of the personage near the projected image of the illustration embodiment
Overlapping image change in location figure.
Fig. 4 is in the 2nd action example for indicate the embodiment mainly by the flow chart of the CPU process content executed.
Fig. 5 A, Fig. 5 B are in the case that variation has occurred in the position of the personage near the projected image of the illustration embodiment
Projected image change in location figure.
Fig. 6 A, Fig. 6 B are in the case that variation has occurred in the position of the personage near the projected image of the illustration embodiment
Projected image change in location figure.
Specific embodiment
Hereinafter, the embodiment in the case where applying the present invention to projector apparatus is described in detail with reference to accompanying drawings.
[composition]
Fig. 1 is the block diagram for indicating the function of the mainly electronic circuit of projector apparatus 10 of present embodiment and constituting.In
In the figure, input processing portion 21 is for example defeated by the video input terminal of pin jack (RCA) type, the RGB of D-sub15 type
Enter terminal, HDMI (registered trademark) (High-Definition Multimedia Interface) terminal, USB
(Universal Serial Bus) terminal etc. is constituted.It is input into input processing portion 21 or is stored in USB storage and is chosen
The picture signal of simulations read to selecting property, various specifications or number, digital as needed by input processing portion 21
After change, projected image driving portion 22 is sent to via system bus SB.Optical projection system (Projection Division) 22~27 includes projected image
Driving portion 22, micro-mirror element 23, light source portion 24, reflecting mirror 25, projecting lens portion 26 and lens motor (M) 27.
Above-mentioned projected image driving portion 22 corresponds to the image data sent, by will frame per second corresponding with prescribed form,
Such as the image data of input is if 60 [Hz] is then 120 [frames/second], the segmentation number of color component and display gray scale etc.
Series has carried out the timesharing driving of higher speed made of multiplying, carries out display drive to the micro-mirror element 23 as display element
It is dynamic.
Micro-mirror element 23 makes to be arranged with multiple, such as 960 pixel (aspect ratio of lateral 1280 pixels × longitudinal direction in array-like
Each tilt angle of tiny mirror 4:3) carries out ON/OFF movement at high speed respectively and carries out display movement, to utilize it
Reflected light forms light image.
On the other hand, the primitive color light of R, G, B are cyclically projected with time-sharing format from light source portion 24.Light source portion 24 has conduct
The LED of semiconductor light-emitting elements repeatedly projects the primitive color light of R, G, B with time-sharing format.LED possessed by light source portion 24 makees
For sensu lato LED, LD (semiconductor laser) or organic EL element also may include.Primitive color light from the light source portion 24 is anti-
It penetrates on mirror 25 and is totally reflected and is irradiated to above-mentioned micro-mirror element 23.
Then, light image is formed with by the reflected light of micro-mirror element 23, it is outside via projecting lens portion 26 is formed by light image
Portion projects and is shown.
Above-mentioned projecting lens portion 26 includes saturating for moving the focusing of focal position in internal lens optical system
Mirror and zoom lens for keeping zoom (projection) visual angle variable, these each lens are by lens motor (M) 27 via not shown
Gear mechanism selectively drive the position along optical axis direction.
On the other hand, the present invention is equipped with the ministry of photography IM to photograph to the projecting direction in above-mentioned projecting lens portion 26.
The ministry of photography IM has photographic lens portion 28.The photographic lens portion 28 include zoom lens for keeping Camera angle variable,
And the condenser lens for moving focal position, and while having than above-mentioned projecting lens portion 26 is set as maximum wide-angle, is projected
The big Camera angle of projection view angles, such as substantially 2 times of Camera angle, so as to the image projected to above-mentioned optical projection system
Also the personage comprising surrounding photographs interiorly.Enter the light image of the outside of light as solid-state image pickup member to photographic lens portion 28
It is imaged on the cmos image sensor 29 of part.
The picture signal as obtained from the imaging on cmos image sensor 29 is by 30 digitlization of A/D converter
After send to photographs processing unit 31.
The photographs processing unit 31 is scanned driving to above-mentioned cmos image sensor 29 and executes photographing actions, leads to
Cross the image recognition processings such as the contours extract carried out to the obtained image data of photography and pattern match, implement personage profile and
The identifying processing on head therein.In addition to this, the driving of photographs processing unit 31 is for making the poly- of above-mentioned photographic lens portion 28
The mobile lens motor (M) 32 in focus lens position.
The movement of above-mentioned each circuit is all controlled by CPU33.The CPU33 and main memory 34 and program storage 35
It is directly connected to.Main memory 34 is for example made of SRAM, and the working storage as CPU33 functions.Program storage 35
Nonvolatile memory, such as flash ROM by capableing of electricity rewriting are constituted, and to operation program performed by CPU33, are becoming base
The OSD (On Screen Display) being overlapped on the image of plinth is stored with various normal datas such as image etc..
CPU33 reading be stored in operation program or normal data of above procedure memory 35 etc., make its be unfolded and deposit
It is stored in main memory 34 and executes the program later, thus uniformly control the projector apparatus 10.
Above-mentioned CPU33 executes various projecting acts according to the operation signal from operation portion 36.The operation portion 36 includes
Operation key or the (not shown) projector apparatus 10 of the reception from the main body shell arranging in projector apparatus 10 are dedicated
The acceptance part of the modulation of infrared rays signal of remote controler, accepts key operation signal, will be corresponding with the key operation signal accepted
Signal is sent out to above-mentioned CPU33.
Above-mentioned CPU33 is also connect via above system bus SB with sound processing section 37,3 axle acceleration sensors 38.
Sound processing section 37 has the sounding circuits such as PCM source of sound, and the voice signal being provided in projecting acts is simulated
Change, drive the speaker portion 39 and pronounce, or it is as needed and generate buzz etc..
3 axle acceleration sensors 38 are the sensors detected to the acceleration of 3 mutually orthogonal axis directions, according to this
The detection output of 3 axle acceleration sensors 38 calculates the direction of acceleration of gravity, and thus, it is possible to judge the projector apparatus 10 just
Which kind of posture projecting acts are carried out with.
Specifically, 3 axle acceleration sensors 38 are according to the Projection Division 22~27 of projector apparatus 10 around projection optical axis
Acceleration, detect the setting posture of projector apparatus 10.In addition, using the appearance detected by 3 axle acceleration sensors 38
Gesture angle, being able to carry out and being envisioned for the screen cover of projection objects is the keystone processing in the case where vertical or level.
Alternatively, in the not shown Suspension of projector apparatus 10 with the side of the bottom surface of shell (ceiling surface side) upward
In the case that formula is mounted on indoor ceiling surface etc., it can also pass through the posture detected of 3 axle acceleration sensor 38
Angle identifies its state, can project correct image up and down.
[the 1st action example]
Then, the 1st action example of above embodiment is illustrated.
Here, explanation carries out the feelings of the movement under demo mode by inherent function possessed by projector apparatus 10
Condition, projection is to be input into input processing portion 21 and the image based on demonstration program slide image signal in the demo mode
Based on, overlap with obtained from the images of the operator token groups of operations such as page turn over operation or pause for carrying out lantern slide
Composograph.
Fig. 2 be indicate mainly to be executed by CPU33, demo mode when projection process content flow chart.It is handling
Initially, CPU33 is for the image data that inputs from input processing portion 21, according in the direction that the moment sets (if it is just opening
It is then the direction set at the time of finishing previous projecting acts after the projecting acts of beginning projector apparatus 10), by projecting
Image-driven portion 22 makes the composograph data for being overlapped the image of operator group, and is thrown using above-mentioned optical projection system 22~27
The shadow composograph (step S101).
Meanwhile CPU33 makes the ministry of photography IM to the figure around centered on the image of 22~27 orthographic projection of optical projection system
As being photographed (step S102).
At this point, in the ministry of photography IM, corresponding to the position of the zoom lens in projecting lens portion 26, photographic lens portion 28
It is used in a manner of substantially 2 times of Camera angle of projection view angles of the zoom lens to become the moment by photography image processing part 31
Lens motor 32 is adjusted, in addition to this, corresponding to the position of the condenser lens in projecting lens portion 26, photographic lens portion
The position of 28 condenser lens is the projector distance at the moment to be included as focusing range from demonstrator front side
Mode adjusted by photography image processing part 31 using lens motor 32.
In the ministry of photography IM, the photographs obtained under the control of CPU33 is carried out to include contour extraction processing and figure
The image recognition processing of case matching treatment, extract orthographic projection image position, be present in orthographic projection image peripheral
Whether the profile of personage's entirety and the personage are just touching one end (step S103) of projected image with finger.
CPU33 uses the image recognition result, compared with judging the position of the personage extracted when previous projection whether
Variation (step S104) has occurred.
Here, be judged as in the range of since the personage that extracts is in regulation personage position and previous projection
When compared to (step S104 is no) in the case where not changing, next CPU33 judges whether the personage extracted just uses hand
Refer to the one end (step S105) for touching projected image.
Here, in the case where being judged as that the unused finger of the personage touches one end of projected image (step S105 is no),
CPU33 returns to the processing from above-mentioned steps S101, continues projecting acts with keeping intact.
Fig. 3 A is that the slide image of illustration demonstration is stood from projector apparatus 10 towards screen TS projection, demonstrator PR
The figure for the state explained to the left.As shown in Figure 3A, it shows present in the demonstrator PR of the image of orthographic projection
Left end side overlap with page turning for being used to indicate slide image etc. operator token groups CT image and carry out composite projection
State.
In above-mentioned steps S104, different range when since the personage that extracts is in from previous projection and judge
For personage position when the previous projection compared with (step S104 is yes) in the case where variation has occurred, CPU33 is again to throwing
Shadow image-driven portion 22 indicates so that the position of the operator token groups CT in image becomes the position pair with the personage extracted
The mode for the projected position answered changes the change setting (step S106) of configuration, then returns to the place from above-mentioned steps S101
Reason.
Fig. 3 B is to illustrate the demonstrator PR from the state of Fig. 3 A to continue to demonstrate to the movement of the right side of projected image
The figure of state.As shown in Figure 3B, the image for showing the operator token groups CT of page turning for being used to indicate slide image etc. moves
It moves right end side present in the demonstrator PR in the image of projection and is overlapped in this and carries out the state of composite projection.
In addition, being judged as that the personage extracted from photographs touches projected image with finger in above-mentioned steps S105
One end in the case where (step S105 is yes), CPU33 judges the operator of the position of the touch, according to its judgement tie
Fruit changes the processing of setting to the slide image data inputted from input processing portion 21, projected image is made to be changed to fit
When image after (step S107), back to the processing from above-mentioned steps S101.
In this way, corresponding in the case that variation has occurred in the position of the personage near the image positioned at orthographic projection
Its position after moving, follows and is overlapped in projected image and the position of the image of composite projection, therefore especially such as operator
In the case that token groups CT has the function for personage's operation like that, be able to maintain that continues operation in which can not cover projected image
Environment.
[the 2nd action example]
Then, the 2nd action example of above embodiment is illustrated.
In addition, being described as follows situation in action example: the pixel of above-mentioned micro-mirror element 23 is constituted as described above, is laterally
1280 pixels × 960 pixel of longitudinal direction, the composition that aspect ratio is 4:3, and be to project from the image data that input processing portion 21 inputs
Aspect ratio is the data of the image of 16:9 out.
In this case, if it is common projection mode, then by the upper end of the light image formed by micro-mirror element 23
The defined range of side and lower end side is set to the black image without projection.
In this action example, movement when carrying out demo mode to the projector apparatus 10 is illustrated.
Fig. 4 be indicate mainly to be executed by CPU33, demo mode when projection process content flow chart.It is handling
Initially, CPU33 is to the image data inputted from input processing portion 21, according to the range of the micro-mirror element 23 set at the moment
It (after the rigid projecting acts for starting projector apparatus 10, is then set at the time of finishing previous projecting acts
Range), the display in micro-mirror element 23 is executed by projected image driving portion 22 and is acted, to pass through above-mentioned optical projection system 22~27
Project the image (step S201).
Meanwhile CPU33 makes the ministry of photography IM to the figure around centered on the image of 22~27 orthographic projection of optical projection system
As being photographed (step S202).
At this point, in the ministry of photography IM, corresponding to the position of the zoom lens in projecting lens portion 26, photographic lens portion 28
It is used in a manner of substantially 2 times of Camera angle of projection view angles of the zoom lens to become the moment by photography image processing part 31
Lens motor 32 is adjusted, in addition to this, corresponding to the position of the condenser lens in projecting lens portion 26, photographic lens portion
The position of 28 condenser lens is the projector distance at the moment to be included as focusing range from demonstrator front side
Mode adjusted by photography image processing part 31 using lens motor 32.
In the ministry of photography IM, the photographs obtained under the control of CPU33 is carried out to include contour extraction processing and figure
The image recognition processing of case matching treatment, extract orthographic projection image position and be present in orthographic projection image peripheral
The profile (step S203) of personage's entirety.
CPU33 uses the image recognition result, compared with judging the position of the personage extracted when previous projection whether
Variation (step S204) has occurred.
Here, in the case where not changing compared with when being judged as the position of the personage extracted with previous projection
(step S204 is no), CPU33 return to the processing from above-mentioned steps S201, continue projecting acts with keeping intact.
Fig. 5 A is the projectable range PA for illustrating the slide image of demonstration and being biased against on screen from projector apparatus 10
Upside project, the figure of state that the station demonstrator PR is explained on the right side of projectable range PA.
As shown in Figure 5A, compared with projectable range PA, the height of demonstrator PR is relatively higher, the head position of demonstrator PR
In the case where the higher position in upper end than projectable range PA, CPU33 instruction projected image driving portion 22 is biased against micro mirror member
It shows to the upper end side that the pixel of part 23 is constituted image and sets the black image region without projection in lower end side, make to project
System 22~27 executes projection.
Changed compared with being judged as the position of the personage extracted when previous projection in above-mentioned steps S204
In the case where (step S204 is yes), CPU33 again to projected image driving portion 22 indicate with the position of the personage extracted,
The change that the position on the head in especially whole profile accordingly changes the position of the projected image in drop shadow spread PA is set
After fixed (step S205), the processing from above-mentioned steps S201 is returned.
Fig. 5 B be illustrate from the state of Fig. 5 A, replacement demonstrator PR and continue the figure of the state of demonstration.Such as Fig. 5 B
Shown, compared with projectable range PA, the height of demonstrator PR is relatively lower, and the head of new demonstrator PR is changed to than that can throw
The upper end of shadow range PA closer to center position in the case where, CPU33 instruction projected image driving portion 22 be biased against micro-mirror element
It shows to the lower end side that 23 pixel is constituted image and sets the black image region without projection in upper end side, make projection system
System 22~27 executes projection.
In this way, the head in this action example, with the position of demonstrator PR, particularly from the outline identification of personage's entirety out
Position correspondingly controlled the feelings different from the aspect ratio of the image actually projected in the aspect ratio of projectable range PA
The position of the black region set under condition.
Therefore, in the case where demonstrator's PR visual confirmation projects to the image in the projectable range PA on screen, energy
It is enough to inhibit the angle for moving head up and down to be capable of providing more natural demo environment at minimum.
In addition, illustrated in above-mentioned action example the pixel composition of micro-mirror element 23 be as described above horizontal 1280 pixels ×
Composition that vertical 960 pixels, aspect ratio are 4:3 and be that be projected out aspect ratio be 16 from the image data that input processing portion 21 inputs:
The case where data of 9 image, about on the contrary, the aspect ratio that constitutes of the pixel of micro-mirror element 23 be 16:9 and from input
The image data that reason portion 21 inputs is the case where being projected out the data for the image that aspect ratio is 4:3, to be also simply illustrated.
In this case, if it is common projection mode, then by the left end of the light image formed by micro-mirror element 23
The respective prescribed limit of side and right end side is set to the black image without projection.
In this action example, that projection control shown in Fig. 6 A, Fig. 6 B is carried out.
Fig. 6 A is the projectable range PA for illustrating the slide image of demonstration and being biased against on screen from projector apparatus 10
Leftwards projection, the figure of state explained on the left of projectable range PA of the station demonstrator PR.
As shown in Figure 6A, demonstrator PR is located at a side side of the left and right of projectable range PA, leaves projectable range PA's
Position, therefore CPU33 shows figure while the left end side of the pixel composition of micro-mirror element 23 is biased against to the instruction of projected image driving portion 22
Picture sets the black image region without projection in right end side, and optical projection system 22~27 is made to execute projection.
On the contrary, Fig. 6 B is the projectable's model for illustrating the slide image of demonstration and being biased against on screen from projector apparatus 10
It projects with enclosing the right side of PA, the figure for the state that the station demonstrator PR is explained on the right side of projectable range PA.
As shown in Figure 6B, demonstrator PR is located at a side side of the left and right of projectable range PA, leaves projectable range PA's
Position, therefore CPU33 shows figure while the right end side of the pixel composition of micro-mirror element 23 is biased against to the instruction of projected image driving portion 22
Picture sets the black image region without projection in left end side, and optical projection system 22~27 is made to execute projection.
In this way, mutual aspect ratio is different, must somewhere set between the range and the image actually projected of projectable
In the case where the fixed black image region without projection, according to the position for the personage being located near projected image or the personage
The height etc. on head is automatically set the configuration in black image region, can be realized more natural image projection.
As described in detail above, according to the present embodiment, can with become the personage being projected near the screen of object
Correspondingly change the projection form of image in existing direction.
In addition, in the above-described embodiment, illustrating that projector apparatus is the DLP (registration using semiconductor light-emitting elements
Trade mark) mode projector the case where, but the present invention does not limit the light-emitting component etc. of projection pattern and light source, similarly can
Applied to using high-pressure mercury-vapor lamp as light-emitting component, use the color liquid crystal panel of transmission-type as the projector of display element
Deng.
Additionally, this invention is not limited to above embodiment, can implementation phase in range without departing from the spirit into
Row various modifications.Alternatively, it is also possible to implement the function of executing in above embodiment is as appropriately combined as possible.In above-mentioned reality
Applying includes the various stages in mode, obtains various inventions and appropriately combined based on disclosed multiple constitutive requirements.For example,
Even if deleting several constitutive requirements from whole constitutive requirements shown in embodiment, as long as effect can be obtained, then deleting
The composition of this composition important document can also refine as invention.
Claims (4)
1. a kind of projection arrangement, wherein include:
Projection Division shows the image based on the signal inputted using display element, makes the light provided from light source in above-mentioned display
Element transmission reflects and forms light image, will be formed by light image and projects towards projection objects；
The ministry of photography photographs to the region for being included the image range projected by above-mentioned Projection Division；
Image recognizing section identifies personage from the image that the photography by above-mentioned the ministry of photography obtains；And
Project control unit, based on the recognition result of above-mentioned Image recognizing section, the form of the image that above-mentioned Projection Division is projected into
Row change setting,
Above-mentioned light image is the composograph that other images have been overlapped in a part of image for becoming basis,
Above-mentioned position of the projection control unit based on the personage identified by above-mentioned Image recognizing section, projects above-mentioned Projection Division
The form of image changes setting, so that the position of other above-mentioned images in the composograph that above-mentioned Projection Division is projected
As position corresponding with the position of personage identified by above-mentioned Image recognizing section.
2. projection arrangement according to claim 1, wherein
Aspect ratio is different between the image of signal based on above-mentioned input and the image that above-mentioned display element can be shown,
Above-mentioned projection control unit is in turn according to the position of the personage identified by above-mentioned Image recognizing section, the letter based on above-mentioned input
Number image aspect ratio and the aspect ratio of image that can show of above-mentioned display element, above-mentioned Projection Division is projected
The form of image change setting.
3. projection arrangement according to claim 1 or 2, wherein
The head position of the personage that the identification of above-mentioned Image recognizing section is identified by above-mentioned Image recognizing section, personage's entirety profile,
And at least one of positional relationship between the image that is projected of above-mentioned personage and above-mentioned Projection Division.
4. a kind of projecting method is the projecting method in following device, which includes: Projection Division, is shown using display element
Based on the image of the signal inputted, the light provided from light source is made to transmit in above-mentioned display element or reflect and form light image,
Light image will be formed by project towards projection objects；The ministry of photography includes to by the image range projected by above-mentioned Projection Division
It photographs in region inside, wherein the projecting method includes
Image recognition process identifies personage from the image that the photography by above-mentioned the ministry of photography obtains；And
Projection control process, based on the recognition result in above-mentioned image recognition process, image that above-mentioned Projection Division is projected
Form changes setting,
Above-mentioned light image is the composograph that other images have been overlapped in a part of image for becoming basis,
In above-mentioned projection control process, based on the position of the personage identified by above-mentioned image recognition process, to above-mentioned projection
The form for the image that portion is projected changes setting so that in the composograph that above-mentioned Projection Division is projected it is above-mentioned other
The position of image becomes position corresponding with the position of personage identified by above-mentioned image recognition process.
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| JP2016185418A JP6844171B2 (en) | 2016-09-23 | 2016-09-23 | Projector, projection method and program |
| JP2016-185418 | 2016-09-23 |
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| US (1) | US10271026B2 (en) |
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| CN108762483B (en) * | 2018-04-16 | 2021-02-09 | 广景视睿科技（深圳）有限公司 | Interactive projector and interactive projection method |
| JP6639619B1 (en) * | 2018-11-13 | 2020-02-05 | 富士フイルム株式会社 | Projection device |
| JP6648240B1 (en) | 2018-11-13 | 2020-02-14 | 富士フイルム株式会社 | Projection device |
| CN113518211A (en) * | 2020-04-10 | 2021-10-19 | 中强光电股份有限公司 | Projection system and projection operation method |
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| US20180091786A1 (en) | 2018-03-29 |
| JP2018049206A (en) | 2018-03-29 |
| JP6844171B2 (en) | 2021-03-17 |
| CN107872659A (en) | 2018-04-03 |
| US10271026B2 (en) | 2019-04-23 |
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